Employee Benefit Plans (Schedule Of Net Periodic Benefit Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 364	$ 375	$ 1,092	$ 1,125
Expected return on plan assets	(396)	(377)	(1,188)	(1,131)
Amortization of net gain (loss)	85	48	253	145
Net periodic benefit cost	53	46	157	139
Other Postretirement Benefit Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	13	15	38	46
Interest cost	8	13	24	38
Amortization of net gain (loss)	(12)	(2)	(36)	(8)
Net periodic benefit cost	$ 9	$ 26	$ 26	$ 76